H5N1 Bird Flu, Current Situation

• H5N1 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with four recent human cases in U.S. dairy workers.

• While the current public health risk is low, the Center for Disease Control (CDC) is watching the situation carefully and working with states to monitor people with animal exposures.

• CDC is using its flu surveillance systems to monitor for H5N1 activity in people.

CDC and state and local health departments monitor people exposed to infected birds, poultry or other animals for 10 days after exposure. Between February 2022 and now, there have been

• At least 10,600 people monitored and

• At least 375 people tested for novel influenza A

Current HPAI in Cattle Outbreak information. CDC and state and local health departments monitor people exposed to infected cattle for 10 days after exposure. Between March 2024 and now, there have been

• At least 1,390 people monitored

• At least 60 persons tested for novel influenza A

• Four cases of avian influenza A(H5) identified

 

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